Arundinax is a warbler bird genus in the family Acrocephalidae.
The genus Arundinax is from Latin arundo, arundinis meaning "reed" and Ancient Greek anax which means "master". 

1/ Thick-billed Warbler (Chích mỏ rộng, Arundinax aedon)
The specific aedon is from Ancient Greek aedon and means nightingale. 
In Greek mythology, Aëdon was changed into a nightingale after killing her own son while attempting to murder one of the sons of her sister Niobe.